EP 3071394 A2 20160928 - DEVICE FOR PROCESSING PHOTOPOLYMERIZABLE MATERIAL IN ORDER TO CONSTRUCT A SHAPED BODY LAYER BY LAYER
Title (en)
DEVICE FOR PROCESSING PHOTOPOLYMERIZABLE MATERIAL IN ORDER TO CONSTRUCT A SHAPED BODY LAYER BY LAYER
Title (de)
VORRICHTUNG ZUM VERARBEITEN VON PHOTOPOLYMERISIERBAREM MATERIAL ZUM SCHICHTWEISEN AUFBAU EINES FORMKÖRPERS
Title (fr)
DISPOSITIF DE TRANSFORMATION DE MATÉRIAU PHOTOPOLYMÉRISABLE DESTINÉ À LA FABRICATION COUCHE PAR COUCHE D'UN ÉLÉMENT FAÇONNÉ
Publication
Application
Priority
- AT 9012013 A 20131122
- AT 2014000207 W 20141120
Abstract (en)
[origin: WO2015074088A2] The invention relates to a method for processing photopolymerizable material in order to construct a shaped body layer by layer, which method comprises: a) providing a tub having a base that is light-permeable at least in some regions, b) moving a construction platform to such a height that a layer of the photopolymerizable material having a specified thickness is defined between the lower face of the construction platform or, if already present, the lowest cured layer of the shaped body part formed thereon and the tub base, c) exposing the layer to light from below through the tub base in a locationally selective manner in order to cure the material layer in the desired shape, and d) repeating steps b) and c) until the last layer of the shaped body is formed. The photopolymerizable material has a viscosity of at least 20 Pa⋅s at room temperature (20 °C), and the layer of the photopolymerizable material is heated up in the tub to a temperature of at least 30 °C in order to lower the viscosity.
IPC 8 full level
B29C 67/00 (2006.01)
CPC (source: AT EP US)
B29C 64/124 (2017.07 - EP US); B29C 64/129 (2017.07 - EP US); B29C 64/135 (2017.07 - AT); B29C 64/20 (2017.07 - AT); B29C 64/214 (2017.07 - EP US); B29C 64/245 (2017.07 - EP US); B29C 64/25 (2017.07 - EP US); B29C 64/295 (2017.07 - EP US); B29C 64/393 (2017.07 - EP); B29C 64/40 (2017.07 - EP US); B33Y 10/00 (2014.12 - US); B33Y 30/00 (2014.12 - US); B33Y 50/02 (2014.12 - US); B29K 2105/16 (2013.01 - US)
Citation (search report)
See references of WO 2015074088A2
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2015074088 A2 20150528; WO 2015074088 A3 20150716; AT 515138 A1 20150615; AT 515138 B1 20160515; CN 105916667 A 20160831; CN 105916667 B 20180522; EP 3071394 A2 20160928; EP 3071394 B1 20190227; JP 2017503678 A 20170202; JP 6466939 B2 20190206; US 2016288412 A1 20161006
DOCDB simple family (application)
AT 2014000207 W 20141120; AT 9012013 A 20131122; CN 201480073904 A 20141120; EP 14835649 A 20141120; JP 2016533042 A 20141120; US 201415038148 A 20141120